Learn How to Swallowtail Mate: One-Move Finish
This puzzle is a classic chess endgame-style mating finish where the attacking queen uses the enemy king’s cramped shelter against it. The key idea is a swallowtail mate pattern: the king is boxed in by its own pieces and pawns, leaving only one square that matters. In positions like this, material advantage is irrelevant if the king’s escape squares are sealed and the mating piece can land on the critical entry point. Always scan for direct mate threats before making a quiet move.